How to Measure Protein Activity

How to Measure Protein Activity, Total:215 items.

The international standard classification for "How to Measure Protein Activity" includes: Spices and condiments. Food additives , Chemical reagents , Biology. Botany. Zoology , Oilseeds , Animal feeding stuffs , Vegetables and derived products , Laboratory medicine .

The Chinese standard classification for "How to Measure Protein Activity" includes: Flavoring materials , Biochemical reagent and clinical analysis reagent , Environmental Condition and General Test Method , Grease and oil processing and products , Livestock and poultry feed and additive , Vegetable processing and products , Cereal crop and forage crop in general , Medical laboratory equipment .

Group Standards of the People's Republic of China

T/CAB 0345-2024 Methods for the evaluation of cell adhesion induced by recombinant humanized collagen
T/JMZJXH 009-2022 Technical regulations for breeding broiler chickens with active protein feed for fruit pulp insects
T/NAIA 0279-2024 Determination of protease activity in soil
T/JMZJXH 008-2022 Fruit worm (probiotic) active protein feed
T/DAHEB 007-2020 Active Protein Milk (Milk)

Professional Standard - Light Industry

QB/T 4363-2012 Determination of Immunoglobulin Egg Yolk (IgY) Activity in Toothpastes

Professional Standard - Business

SB/T 10317-1999 Measurement of proteinase activity

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

GB/T 34800-2017 Detection method of activity and impurity of proteinase K
GB/T 33410-2016 Determination of the activity of protease K in biochemical reagents

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB/T 17811-2008 Determination of pepsin digestibility in animal protein feeds - Filtration method
GB/T 28715-2012 Determination of acidic and neutral protease activity in feed additives—Spetrophotometric method
GB/T 21498-2008 Determination of trypsin inhibitor activity of soya products
GB/T 15673-2009 Determination of crude protein in edible mushroom

Professional Standard - Agriculture

168药典四部-2015 1200 Bioactivity assay 1213 Protamine sulfate bioassay
291药典三部-2020 Bioassay 3411 Determination of Bovine Serum Albumin Residues
209药典三部-2010 Appendix VII VIIK Determination of Aluminum Residues in Human Serum Albumin
275药典四部-2015 3500 Biological Activity - Potency Determination 3512 Rabies Immunoglobulin Potency Determination
220药典三部-2020 Content Determination Method 0731 Protein Content Determination Method
294药典三部-2015 Biological Activity - Potency Assay 3512 General Rules for Rabies Immunoglobulin Potency Assay 125
295药典三部-2015 Biological activity-potency assay 3513 General rules for diphtheria antibody titer assay in human immunoglobulin 127
242药典三部-2020 Content Determination Method 3121 Determination of Human Albumin Polymer
323药典三部-2020 Biological Activity - Potency Assay 3512 Rabies Immunoglobulin Potency Assay
272药典四部-2020 3500 Biological Activity-Potency Assay 3514 Human Immunoglobulin Fc Fragment Biological Activity Assay
276药典四部-2015 3500 Biological activity-potency assay 3513 Diphtheria antibody titer assay in human immunoglobulin
156药典四部-2020 1200 Bioactivity assay 1213 Protamine sulfate bioassay
271药典四部-2020 3500 Biological activity-potency assay 3513 Diphtheria antibody titer assay in human immunoglobulin
257药典三部-2010 Appendix Ⅹ XP Determination of Biological Activity of Fc Segment in Human Immunoglobulin
NY/T 4362-2023 Feed additives-Determination of keratinase activity-Spectrophotometric method
325药典三部-2020 Biological Activity-Potency Assay 3514 Human Immunoglobulin Fc Fragment Biological Activity Assay
NY/T 1205-2006 Method for determination of water solubale protein in soybean
296药典三部-2015 Biological activity-potency assay 3514 Human immunoglobulin Fc fragment biological activity assay general rules 128
277药典四部-2015 3500 Biological Activity-Potency Assay 3514 Human Immunoglobulin Fc Fragment Biological Activity Assay
NY/T 4306-2023 Determination of activity of papain and bromelain-Ultaraviolet spectrophotometry
203药典四部-2020 3100 Content Determination 3121 Determination of Human Albumin Polymer
270药典四部-2020 3500 Biological Activity - Potency Determination 3512 Rabies Immunoglobulin Potency Determination
215药典四部-2015 3100 Content Determination 3121 Determination of Human Albumin Polymer
324药典三部-2020 Biological activity-potency determination method 3513 Diphtheria antibody titer determination method in human immunoglobulin
167药典四部-2015 1200 biological activity assay 1212 protamine zinc insulin injection delayed action assay
219药典三部-2010 Appendix Ⅷ ⅧI Determination of Bovine Serum Albumin Residues
155药典四部-2020 1200 biological activity assay 1212 protamine zinc insulin injection delayed action assay
247药典四部-2015 3400 Bioassay 3411 Bovine Serum Albumin Residue Determination

未注明发布机构

DIN EN ISO 8968-4 E:2013-09 Determination of nitrogen content of milk and milk products Part 4: Determination of protein and non-protein nitrogen content and calculation of pure protein content (Reference Method) (Draft)
DIN ISO 5550 E:2020-06 Caseins and caseinates - Determination of moisture content (Reference method)

Professional Standard - Medicine

YY/T 1456-2016 Human ferritin quantitative test reagent
YY/T 1195-2011 Reference measurement procedure of total protein in serum

Jilin Provincial Standard of the People's Republic of China

DB22/T 1819-2013 Spectrophotometric method for the determination of acid protease activity in enzyme preparations for feed

Hebei Provincial Standard of the People's Republic of China

DB13/T 1091-2009 Determination of acid protease activity in enzyme preparations for feed - spectrophotometric method

Henan Provincial Standard of the People's Republic of China

DB41/T 1615-2018 Technical regulations for the detection of cellulase, xylanase, laccase and protease activities of edible fungi

VN-TCVN

TCVN 5461-1991 Synthetic detergents.Determination of proteinous activity
TCVN 7871-3-2008 Wheat and wheat flour.Gluten content.Part 3: Determination of dry gluten from wet gluten by an oven drying method
TCVN 7871-4-2008 Wheat and wheat ftour.Gluten content.Part 4: Determination of dry gluten from wet gluten by a rapid drying method
TCVN 5537-1991 Sweetened condensed milk.Determination of total protein content
TCVN 7871-2-2008 Wheat and wheat flour.Gluten content.Part 2: Determination of wet gluten by mechanical means

RU-GOST R

GOST 20264.2-1988 Enzyme preparations. Methods for determination of proteolytic activity
GOST R 53974-2010 Enzyme preparations for food industry. Method for determination of proteolitic activity
GOST R 51470-1999 Caseins and caseinates. Method for determination of protein content
GOST 33427-2015 Feeds. Determination of trypsin inhibitor activity of soya products
GOST R 51469-1999 Caseins and caseinates. Photometric method for determination of lactose content
GOST R 51464-1999 Caseins and caseinates. Method for determination of water content
GOST R 52993-2008 Caseins and caseinates. Determination of moisture content (Reference method)
GOST R 51465-1999 Caseins and caseinates. Determination of scorched particles content
GOST 10846-1991 Grain and products of its processing. Method for determination of protein
GOST R 51463-1999 Rennet caseins and caseinates. Method for determination of ASH content
GOST R 51454-1999 Caseins and caseinates. Method of determination of nitrate and nitrite contents

German Institute for Standardization

DIN 10464:1994-08 Determination of casein content, casein and whey protein contents in total protein of milk and milk products - Casein-phosphorus method
DIN 58904:1998 Haemostaseology - Determination of protein C activity - Reference measurement procedure with a chromogenic peptide substrate
DIN 10472:1996 Determination of casein and whey protein contents of milk and milk products - Electrophoretic method
DIN 10464:1994 Determination of casein content, casein and whey protein contents in total protein of milk and milk products - Casein-phosphorus method
DIN 10470:2011-07 Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic method
DIN 58924:2022 Haemostaseology - Reference method for the determination of the collagen binding acitvity of the VWF; Text in German and English
DIN 58904:1998-04 Haemostaseology - Determination of protein C activity - Reference measurement procedure with a chromogenic peptide substrate
DIN 10470:2011 Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic method
DIN 58924:2021 Haemostaseology - Reference method for the determination of the collagen binding acitvity of the VWF; Text in German and English
DIN EN ISO 14902:2022-08 Animal feeding stuffs - Determination of trypsin inhibitor activity of soya products (ISO 14902:2001); German version EN ISO 14902:2001
DIN 58924:2022-05 Haemostaseology - Reference method for the determination of the collagen binding acitvity of the VWF; Text in German and English
DIN 10470:1999 Determination of whey protein content and casein content in total protein of milk and milk products - Derivative spectroscopic method
DIN ISO 5550:2020-12 Caseins and caseinates - Determination of moisture content (Reference method) (ISO 5550:2006)
DIN EN ISO 21415-4:2007 Wheat and wheat flour - Gluten content - Part 4: Determination of dry gluten from wet gluten by a rapid drying method (ISO 21415-4:2006); German version EN ISO 21415-4:2007
DIN 10466:2001-09 Determination of whey protein content in total protein of milk and milk products - Polarographic method
DIN EN ISO 8968-4:2016-09 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method) (ISO 8968-4:2016); German version EN ISO 8968-4:2016
DIN EN ISO 21415-2:2008 Wheat and wheat flour - Gluten content - Part 2: Determination of wet gluten by mechanical means (ISO 21415-2:2006); English version of DIN EN ISO 21415-2:2008-04
DIN 10472:1996-06 Determination of casein and whey protein contents of milk and milk products - Electrophoretic method
DIN EN ISO 23319:2023-01 Cheese and processed cheese products, caseins and caseinates - Determination of fat content - Gravimetric method (ISO 23319:2022); German version EN ISO 23319:2022
DIN ISO 5550:2020 Caseins and caseinates - Determination of moisture content (Reference method) (ISO 5550:2006)
DIN 10466:2001 Determination of whey protein content in total protein of milk and milk products - Polarographic method

CZ-CSN

CSN 57 0111-5-2002 Testing methods for casein and caseinates - Determination of protein content
CSN 570111-5-2002 Testing methods for casein and caseinates - Determination of protein content

KR-KS

KS H ISO 5549-2021 Caseins and caseinates — Determination of protein content(Reference method)
KS H ISO 5739-2021 Caseins and caseinates — Determination of scorched particles content
KS H ISO 5548-2020 Caseins and caseinates－Determination of lactose content－Photometric method
KS H 1204-2022 Testing method for crude proteins content
KS H ISO 5543-2021 Caseins and caseinates — Determination of fat content — Gravimetric method(Reference method)

Korean Agency for Technology and Standards (KATS)

KS H ISO 5549:2021 Caseins and caseinates — Determination of protein content(Reference method)
KS H ISO 5549-2006(2016) Caseins and caseinates－Determination of protein content(Reference method)
KS H ISO 5549:2006 Caseins and caseinates－Determination of protein content(Reference method)
KS H ISO 5739-2006(2016) Caseins and caseinates－Determination of scorched particles content
KS H ISO 5739:2021 Caseins and caseinates — Determination of scorched particles content
KS H ISO 5548:2006 Caseins and caseinates－Determination of lactose content－Photometric method
KS H ISO 5550:2007 Caseins and caseinates－Determination of moisture content(Reference method)
KS H ISO 5543-2006(2016) Caseins and caseinates－Determination of fat content－Gravimetric method(Reference method)
KS H ISO 5550-2021 Caseins and caseinates－Determination of moisture content(Reference method)
KS H ISO 5550-2007(2012) Caseins and caseinates－Determination of moisture content(Reference method)
KS H ISO 5548:2020 Caseins and caseinates－Determination of lactose content－Photometric method
KS H ISO 5543:2021 Caseins and caseinates — Determination of fat content — Gravimetric method(Reference method)
KS H 1204-2012 Testing method for crude proteins content
KS H ISO 5739:2006 Caseins and caseinates－Determination of scorched particles content
KS H ISO 5543:2006 Caseins and caseinates－Determination of fat content－Gravimetric method(Reference method)
KS H 1204-2001 Testing method for crude proteins content
KS H 1204-2021 Testing method for crude proteins content

International Organization for Standardization (ISO)

ISO 5549:1978 Caseins and caseinates; Determination of protein content (Reference method)
ISO 5550:2006|IDF 78:2006 Caseins and caseinates — Determination of moisture content (Reference method)
ISO 5550:2006 Caseins and caseinates - Determination of moisture content (Reference method)
ISO 5739:1983 Caseins and caseinates; Determination of scorched particles content
ISO 5548:2004 Caseins and caseinates - Determination of lactose content - Photometric method
ISO 5548:2004 | IDF 106:2004 Caseins and caseinates — Determination of lactose content — Photometric method
ISO 5548:2004|IDF 106:2004 Caseins and caseinates — Determination of lactose content — Photometric method
ISO 5543:2004 | IDF 127:2004 Caseins and caseinates — Determination of fat content — Gravimetric method (Reference method)
ISO 5550:1978 Caseins and caseinates; Determination of water content (Reference method)
ISO 5550:2006 | IDF 78:2006 Caseins and caseinates — Determination of moisture content (Reference method)
ISO 5548:1980 Caseins and caseinates; Determination of lactose content; Photometric method
ISO 8968-4:2016 | IDF 20-4:2016 Milk and milk products — Determination of nitrogen content — Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
ISO 5543:1986 Caseins and caseinates; Determination of fat content; Gravimetric method (Reference method)
ISO 5543:2004 Caseins and caseinates - Determination of fat content - Gravimetric method (Reference method)
ISO 5739:2003 | IDF 107:2003 Caseins and caseinates — Determination of contents of scorched particles and of extraneous matter
ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
ISO 5543:2004|IDF 127:2004 Gravimetric method for determination of fat content in casein and caseinate (reference method)
ISO 5739:2003|IDF 107:2003 Determination of casein and caseinate coke particles and foreign matter content
ISO 20483:2006 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method
ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
ISO 21415-2:2015 Wheat and wheat flour - Gluten content - Part 2: Determination of wet gluten and gluten index by mechanical means
ISO 21415-2:2006 Wheat and wheat flour - Gluten content - Part 2: Determination of wet gluten by mechanical means
ISO 23319:2022 | IDF 250 Cheese and processed cheese products, caseins and caseinates — Determination of fat content — Gravimetric method
ISO 21415-1:2006 Wheat and wheat flour - Gluten content - Part 1: Determination of wet gluten by a manual method
ISO 23319:2022 | IDF 250:2022 Cheese and processed cheese products, caseins and caseinates — Determination of fat content — Gravimetric method

RO-ASRO

STAS 21/6-1973 OILSEED RESIDUES Determination of protein of protein brut content
STAS 2213/17-1976 SWEETS Determination of total proteinic content and milk proteinic substance content
STAS SR 13424-1999 Enzyme preparations for food industry Papain - Enzyme activity determination
STAS 9597/3-1974 COMBINED FORAGES Determination of rough protein content
STAS 6356-1976 MILK AND MILK PRODUCTS Proteic substances determinat ion

AT-ON

ONORM DIN 10454-1993 Determination of protein content of caseins and caseinates - Reference method
ONORM DIN 10453-1993 Determination of water content of caseins and caseinates - Reference method

Lithuanian Standards Office

LST ISO 5549:2001 Caseins and caseinates. Determination of protein content (Reference method) (identical ISO 5549:1978)
LST EN ISO 14902:2002 Animal feeding stuffs - Determination of trypsin inhibitor activity of soya products (ISO 14902:2001)
LST ISO 5548:2004 Caseins and caseinates. Determination of lactose content. Photometric method (idt ISO 5548:2004)
LST ISO 5543:2004 Caseins and caseinates. Determination of fat content. Gravimetric method (Reference method) (idt ISO 5543:2004)

ZA-SANS

SANS 5218:2007 Water - Albuminoid ammonia content

GOSTR

GOST 34430-2018 Enzyme preparations for food industry. Method for the determination of proteolitic activity

GSO

GSO ISO 14902:2014 Animal feeding stuffs -- Determination of trypsin inhibitor activity of soya products
BH GSO ISO 5543:2016 Caseins and caseinates -- Determination of fat content -- Gravimetric method (Reference method)
OS GSO ISO 5543:2015 Caseins and caseinates -- Determination of fat content -- Gravimetric method (Reference method)
GSO ISO 5543:2015 Caseins and caseinates -- Determination of fat content -- Gravimetric method (Reference method)
OS GSO ISO 5548:2015 Caseins and caseinates -- Determination of lactose content -- Photometric method
BH GSO ISO 14902:2016 Animal feeding stuffs -- Determination of trypsin inhibitor activity of soya products
GSO ISO 5550:2015 Caseins and caseinates -- Determination of moisture content (Reference method)
OS GSO ISO 14902:2014 Animal feeding stuffs -- Determination of trypsin inhibitor activity of soya products
GSO ISO 5548:2015 Caseins and caseinates -- Determination of lactose content -- Photometric method
OS GSO ISO 5550:2015 Caseins and caseinates -- Determination of moisture content (Reference method)
GSO ISO 8968-4:2021 Milk and milk products — Determination of nitrogen content — Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
BH GSO ISO 8968-4:2022 Milk and milk products — Determination of nitrogen content — Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
GSO ISO 5739:2015 Caseins and caseinates -- Determination of contents of scorched particles and of extraneous matter
BH GSO ISO 5739:2016 Caseins and caseinates -- Determination of contents of scorched particles and of extraneous matter
GSO ISO 23319:2023 Cheese and processed cheese products, caseins and caseinates — Determination of fat content — Gravimetric method
BH GSO ISO 23319:2023 Cheese and processed cheese products, caseins and caseinates — Determination of fat content — Gravimetric method

British Standards Institution (BSI)

BS ISO 5550:2006 Caseins and caseinates - Determination of moisture content (Reference method)
BS ISO 5548:2004 Caseins and caseinates - Determination of lactose content - Photometric methods
BS EN ISO 21415-4:2007 Wheat and wheat flour - Gluten content - Determination of dry gluten from wet gluten by a rapid drying method
BS EN ISO 14902:2001 Animal feeding stuffs - Determination of trypsin inhibitor activity of soya products
BS EN ISO 21415-3:2007 Wheat and wheat flour - Gluten content - Determination of dry gluten from wet gluten by an oven drying method
BS EN ISO 21415-1:2007 Wheat and wheat flour - Gluten content - Determination of wet gluten by a manual method
BS ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
BS EN ISO 8968-4:2016 Milk and milk products. Determination of nitrogen content. Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
BS ISO 5543:2004 Caseins and caseinates - Determination of fat content - Gravimetric method (reference method)
BS EN ISO 8968-4:2016(2017) Milk and milk products — Determination of nitrogen content Part 4 : Determination of protein and non - protein nitrogen content and true protein content calculation (Reference method)
BS 6248-11:1987 Caseins and caseinates. Method for determination of nitrate and nitrite contents
BS ISO 17997-2:2005 Milk - Determination of casein-nitrogen content - Direct method
BS EN ISO 23319:2022 Cheese and processed cheese products, caseins and caseinates. Determination of fat content. Gravimetric method

SCC

BS 6248-10:1986 Caseins and caseinates-Method for determination of fat (gravimetric reference method)
DIN 10470 E:2010 Draft Document - Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic method
DANSK DS/EN ISO 14902:2002 Animal feeding stuffs - Determination of trypsin inhibitor activity of soya products
DANSK DS/ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
DANSK DS/EN ISO 8968-4:2016 Milk and milk products – Determination of nitrogen content – Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
NS-EN ISO 14902:2001 Animal feeding stuffs — Determination of trypsin inhibitor activity of soya products (ISO 14902:2001)
NS-EN ISO 8968-4:2016 Milk and milk products — Determination of nitrogen content — Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method) (ISO 8968-4:2016)
DANSK DS/ISO 23319:2022 Cheese and processed cheese products, caseins and caseinates – Determination of fat content – Gravimetric method

Association Francaise de Normalisation

NF V04-389:1985 Caseins and caseinates. Determination of scorched particles content.
NF ISO 5548:2008 Caseins and caseinates - Determination of lactose content - Photometric method
NF V04-388*NF ISO 5548:2008 Caseins and caseinates - Determination of lactose content - Photometric method.
NF V04-387:1985 Caseins and caseinates. Determination of protein content (reference method).
NF V04-382:1988 Caseins and caseinates. Determination of fat content. Gravimetric method (reference method).
NF V18-202*NF EN ISO 14902:2002 Animal feeding stuffs - Determination of trypsin inhibitor activity of soya products
NF ISO 5550:2007 Caseins and caseinates - Determination of moisture content (reference method)
NF EN ISO 14902:2002 Animal feed - Determination of tryptic inhibitor activity in soy products
NF V04-382:2008 Caseins and caseinates - Determination of fat content - Gravimetric method (Reference method).
NF EN ISO 8968-4:2016 Milk and dairy products - Determination of nitrogen content - Part 4: determination of protein and non-protein nitrogen content and calculation of true protein content (Reference method)
NF V04-221-4*NF EN ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4 : determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
NF EN ISO 23319:2022 Cheeses and processed cheeses, caseins and caseinates - Determination of fat content - Gravimetric method
NF V04-558*NF EN ISO 23319:2022 Cheese and processed cheese products, caseins and caseinates - Determination of fat content - Gravimetric method

Danish Standards Foundation

DS/EN ISO 14902:2002 Animal feeding stuffs - Determination of trypsin inhibitor activity of soya products
DS/ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter

International Dairy Federation (IDF)

IDF 78-2006 Caseins and caseinates. Determination of moisture content (Reference method)
IDF 107-2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter

Standard Association of Australia （SAA）

AS ISO 8968.4:2021 Milk and milk products — Determination of nitrogen content, Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)

CEN - European Committee for Standardization

EN ISO 8968-4:2001 Milk - Determination of Nitrogen Content - Part 4: Determination of Non-Protein Nitrogen Content

IN-BIS

IS 11888-1987 Method for determination of charred particle content in casein and caseinates
IS 11963-1987 Photometric method for determination of lactose content in casein and caseinate

ES-UNE

UNE-EN ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method) (ISO 8968-4:2016)
UNE-EN ISO 23319:2022 Cheese and processed cheese products, caseins and caseinates - Determination of fat content - Gravimetric method (ISO 23319:2022)

HU-MSZT

MSZ KGST 2787-1980 Determination of protein content of preservative foods

European Committee for Standardization (CEN)

EN ISO 21415-2:2008 Wheat and wheat flour - Gluten content - Part 2: Determination of wet gluten by mechanical means
EN ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
EN ISO 14902:2001 Animal Feeding Stuffs - Determination of Trypsin Inhibitor Activity of Soya Products ISO 14902:2001

TN-INNORPI

NT 14.51-1983 Determination of casein content in milk

AENOR

UNE 34827:1983 DETERMINATION OF THE CASEIN CONTENT OF MILK.
UNE-EN ISO 14902:2002 Animal feeding stuffs - Determination of trypsin inhibitor activity of soya products. (ISO 14902:2001)

DIN

DIN EN ISO 14902:2022 Animal feeding stuffs - Determination of trypsin inhibitor activity of soya products (ISO 14902:2001)

Others: How to Measure Protein Activity,How protein is measured,How to Measure Cell Viability